TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
			ButtonVarProc, probe);
		if (probe == (ClientData)butPtr) {
		    break;
		}
	    } while (probe);
	    if (probe) {
		/*
		 * We were able to fetch the unset trace for our
		 * selVarNamePtr, which means it is not unset and not
		 * the cause of this unset trace. Instead some outdated
		 * former variable must be, and we should ignore it.
		 */
		goto redisplay;
	    }

     */

    if (flags & TCL_TRACE_UNSETS) {
	if (!Tcl_InterpDeleted(interp) && butPtr->textVarNamePtr != NULL) {

	    /*
	     * An unset trace on some variable brought us here, but is it
	     * the variable we have stored in butPtr->textVarNamePtr ?
	     */

	    ClientData probe = NULL;

	    do {
		probe = Tcl_VarTraceInfo(interp,
			Tcl_GetString(butPtr->textVarNamePtr),
			TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
			ButtonTextVarProc, probe);
		if (probe == (ClientData)butPtr) {
		    break;
		}
	    } while (probe);
	    if (probe) {
		/*
		 * We were able to fetch the unset trace for our
		 * textVarNamePtr, which means it is not unset and not
		 * the cause of this unset trace. Instead some outdated
		 * former textvariable must be, and we should ignore it.
		 */
		return NULL;
	    }

                        TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
                        MenuVarProc, probe);
                if (probe == (ClientData)mePtr) {
                    break;
                }
        } while (probe);
        if (probe) {
                /*
                 * We were able to fetch the unset trace for our
                 * namePtr, which means it is not unset and not
                 * the cause of this unset trace. Instead some outdated
                 * former variable must be, and we should ignore it.
                 */
		return NULL;
        }

                        TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
                        ScaleVarProc, probe);
                if (probe == (ClientData)scalePtr) {
                    break;
                }
            } while (probe);
            if (probe) {
                /*
                 * We were able to fetch the unset trace for our
                 * varNamePtr, which means it is not unset and not
                 * the cause of this unset trace. Instead some outdated
                 * former variable must be, and we should ignore it.
                 */
                return NULL;
            }

    const char *name2,		/* (unused) */
    int flags)			/* Information about what happened. */
{
    Ttk_TraceHandle *tracePtr = clientData;
    const char *name, *value;
    Tcl_Obj *valuePtr;

    if (Tcl_InterpDeleted(interp)) {
	return NULL;
    }

    name = Tcl_GetString(tracePtr->varnameObj);

    /*
     * If the variable is being unset, then re-establish the trace:

/*
 * Defaults for menubuttons:
 */

#define DEF_MENUBUTTON_ANCHOR		"w"
#define DEF_MENUBUTTON_ACTIVE_BG_COLOR	ACTIVE_BG
#define DEF_MENUBUTTON_ACTIVE_BG_MONO	WHITE
#define DEF_MENUBUTTON_ACTIVE_FG_COLOR	ACTIVE_FG
#define DEF_MENUBUTTON_ACTIVE_FG_MONO	BLACK
#define DEF_MENUBUTTON_BG_COLOR		NORMAL_BG
#define DEF_MENUBUTTON_BG_MONO		WHITE
#define DEF_MENUBUTTON_BITMAP		""
#define DEF_MENUBUTTON_BORDER_WIDTH	"0"
#define DEF_MENUBUTTON_CURSOR		""
#define DEF_MENUBUTTON_DIRECTION	"below"
#define DEF_MENUBUTTON_DISABLED_FG_COLOR DISABLED

    XEvent *eventPtr)
{
    FontchooserData *fcdPtr = clientData;

    if (eventPtr->type == DestroyNotify) {
	Tk_DeleteEventHandler(fcdPtr->parent, StructureNotifyMask,
		FontchooserParentEventHandler, fcdPtr);
	fcdPtr->parent = NULL;
	FontchooserHideCmd(NULL, NULL, 0, NULL);
    }
}

/*
 * ----------------------------------------------------------------------
 *

				   [NSNumber numberWithInt:-1],
			      @"NSStringDrawingTypesetterBehavior",
			      nil]];
	[TKApplication sharedApplication];
	[pool drain];
	[NSApp _setup:interp];
	[NSApp finishLaunching];
	Tk_MacOSXSetupTkNotifier();

	/*
	 * If the root window is mapped before the App has finished launching
	 * it will open off screen (see ticket 56a1823c73).  To avoid this we
	 * ask Tk to process an event with no wait.  We expect Tcl_DoOneEvent
	 * to wait until the Mac event loop has been created and then return
	 * immediately since the queue is empty.
	 */

	Tcl_DoOneEvent(TCL_WINDOW_EVENTS| TCL_DONT_WAIT);

	/*
	 * If we don't have a TTY and stdin is a special character file of
	 * length 0, (e.g. /dev/null, which is what Finder sets when double
	 * clicking Wish) then use the Tk based console interpreter.
	 */

	    if (Tk_CreateConsoleWindow(interp) == TCL_ERROR) {
		return TCL_ERROR;
	    }
	}

    }



    if (tkLibPath[0] != '\0') {
	Tcl_SetVar2(interp, "tk_library", NULL, tkLibPath, TCL_GLOBAL_ONLY);
    }

    if (scriptPath[0] != '\0') {
	Tcl_SetVar2(interp, "auto_path", NULL, scriptPath,
		TCL_GLOBAL_ONLY|TCL_LIST_ELEMENT|TCL_APPEND_VALUE);
    }

    Tcl_CreateObjCommand(interp, "::tk::mac::standardAboutPanel",
	    TkMacOSXStandardAboutPanelObjCmd, NULL, NULL);
    Tcl_CreateObjCommand(interp, "::tk::mac::iconBitmap",
	    TkMacOSXIconBitmapObjCmd, NULL, NULL);









    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * TkpGetAppName --

    KeyInfo *kPtr;
    int dummy;

    Tcl_InitHashTable(&keycodeTable, TCL_ONE_WORD_KEYS);
    for (kPtr = keyArray; kPtr->keycode != 0; kPtr++) {
	hPtr = Tcl_CreateHashEntry(&keycodeTable, INT2PTR(kPtr->keycode),
		&dummy);
	Tcl_SetHashValue(hPtr, INT2PTR(kPtr->keysym));
    }
    Tcl_InitHashTable(&vkeyTable, TCL_ONE_WORD_KEYS);
    for (kPtr = virtualkeyArray; kPtr->keycode != 0; kPtr++) {
	hPtr = Tcl_CreateHashEntry(&vkeyTable, INT2PTR(kPtr->keycode),
		&dummy);
	Tcl_SetHashValue(hPtr, INT2PTR(kPtr->keysym));
    }
    initialized = 1;
}

/*
 *----------------------------------------------------------------------
 *

    hiinfo->kind  = mbPtr->btnkind;
    hiinfo->value = mbPtr->drawinfo.value;
    hiinfo->adornment = mbPtr->drawinfo.adornment;
    hiinfo->animation.time.current = CFAbsoluteTimeGetCurrent();
    if (hiinfo->animation.time.start == 0) {
	hiinfo->animation.time.start = hiinfo->animation.time.current;
    }

    /*
     * To avoid menubuttons with white text on a white background, we
     * always set the state to inactive in Dark Mode.  It isn't perfect but
     * it is usable.  Using a ttk::menubutton would be a better choice,
     * however.
     */

    if (TkMacOSXInDarkMode(butPtr->tkwin)) {
	hiinfo.state = kThemeStateInactive;
    }

    HIThemeDrawButton(&cntrRect, hiinfo, dc.context,
		kHIThemeOrientationNormal, &contHIRec);

    TkMacOSXRestoreDrawingContext(&dc);
    MenuButtonContentDrawCB(mbPtr->btnkind, &mbPtr->drawinfo,
		mbPtr, 32, true);

    if (!Tk_IsTopLevel(macWin->winPtr)) {
	TkMacOSXInvalidateWindow(macWin, TK_PARENT_WINDOW);
	if (macWin->winPtr->parentPtr != NULL) {
	    TkMacOSXInvalClipRgns((Tk_Window) macWin->winPtr->parentPtr);
	}
	if (macWin->visRgn) {
	    CFRelease(macWin->visRgn);
            macWin->visRgn = NULL;
	}
	if (macWin->aboveVisRgn) {
	    CFRelease(macWin->aboveVisRgn);
            macWin->aboveVisRgn = NULL;
	}
	if (macWin->drawRgn) {
	    CFRelease(macWin->drawRgn);
            macWin->drawRgn = NULL;
	}

	if (macWin->toplevel->referenceCount == 0) {
	    ckfree(macWin->toplevel);
	}
	ckfree(macWin);
	return;
    }
    if (macWin->visRgn) {
	CFRelease(macWin->visRgn);
        macWin->visRgn = NULL;
    }
    if (macWin->aboveVisRgn) {
	CFRelease(macWin->aboveVisRgn);
        macWin->aboveVisRgn = NULL;
    }
    if (macWin->drawRgn) {
	CFRelease(macWin->drawRgn);
        macWin->drawRgn = NULL;
    }
    macWin->view = nil;

    /*
     * Delay deletion of a toplevel data structure untill all children have
     * been deleted.
     */

	    [NSApp activateIgnoringOtherApps:NO];
	    [[win contentView] setNeedsDisplay:YES];
	    if ([win canBecomeKeyWindow]) {
		[win makeKeyAndOrderFront:NSApp];
	    } else {
		[win orderFrontRegardless];
	    }









	} else {
	    TkWindow *contWinPtr = TkpGetOtherWindow(winPtr);

	    /*
	     * Rebuild the container's clipping region and display
	     * the window.
	     */

    unset msg
} -result bar.c


test winDialog-5.7.6 {GetFileName: All/extension } -constraints {
    nt testwinevent
} -body {
    # In 8.6.4 this combination resulted in bar.aaa.aaa which is bad
    start {set x [tk_getSaveFile -filetypes {{All *}} -defaultextension {aaa} -title Save]}
    set msg {}
    then {
	if {[catch {SetText [vista? 0x47C 0x3e9] bar} msg]} {
	    Click cancel
	} else {
	    Click ok
	}
    }
    set x "[file tail $x]$msg"
} -cleanup {
    unset msg
} -result bar.aaa

test winDialog-5.7.7 {tk_getOpenFile: -defaultextension} -constraints {
    nt testwinevent
} -body {
    unset -nocomplain x
    tcltest::makeFile "" "5 7 7.aaa" [initialdir]
    start {set x [tk_getOpenFile \
                      -defaultextension aaa \
                      -initialdir [file nativename [initialdir]] \
                      -initialfile "5 7 7" -title Foo]}
    then {
        Click ok
    }
    return $x
} -result [file join [initialdir] "5 7 7.aaa"]

test winDialog-5.7.8 {tk_getOpenFile: -defaultextension} -constraints {
    nt testwinevent
} -body {
    unset -nocomplain x
    tcltest::makeFile "" "5 7 8.aaa" [initialdir]
    start {set x [tk_getOpenFile \
                      -defaultextension aaa \
                      -initialdir [file nativename [initialdir]] \
                      -initialfile "5 7 8.aaa" -title Foo]}
    then {
        Click ok
    }
    return $x
} -result [file join [initialdir] "5 7 8.aaa"]

test winDialog-5.8 {GetFileName: extension doesn't begin with .} -constraints {
    nt testwinevent
} -body {
    start {set x [tk_getSaveFile -defaultextension foo -title Save]}
    set msg {}
    then {